Question

Some articles were bought at 6 for rs.5 and sold at 5 for rs.6.Gain percent is

Answer 1

assume 30 articles
then
$cp = \frac{30}{6} \times 5 = 25 \\ sp = \frac{30}{5} \times 6 = 36 \\ profit = 11 \\ p\% = \frac{11}{25} \times 100 = 44\%$